On Fri, 20 Jan 2006 10:52:50 -0500, Scott in Baltimore
wrote:

+james wrote:
+ On Thu, 19 Jan 2006 02:12:09 -0500, Scott in Baltimore
+ wrote:
+
+
++Any suggestions for regulators that will handle a max 48 volt
++VCC?. I have 3 transformers that output 35 VAC at a few amps.
++I'd like to build some 13.8 VDC supplies. Seems 723's and 317's
++are maxxed at 40 volts. I see 317HV's that are good to a VCC
++of 60 volts. The large pass transistors from PC power supplies
++are good for 10 amps and the smaller ones make good buffers.
++Each stage drops .7 volts, so maybe I can go back to the old
++zener diode/resistor regulator trick. A buffer and output would
++give a final 13.6 volts.
+
+ ****
+
+ Are any of them center tapped secondaries?
+
+
+No. I may be dumping these transformers.
+
+
*****

If they have enough current rating, they maybe usefull for a 40VDC
supply to power a 100 to 250 watt amp?


james